Add a couple of tests for quoting.  The indirect variable read test is
a fixed version of the following expression from Fedora ARM's boot.scr.
This unfixed expression stopped working after fe9ca3d ("hush: fix some
quoted variable expansion issues"):

 setenv catcat setenv catout\;'setenv catX "setenv catout 
'\\\\\\\''\$\$catin'\\\\\\\''"' \; run catX

Signed-off-by: Rabin Vincent <ra...@rab.in>
---
 test/command_ut.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test/command_ut.c b/test/command_ut.c
index 926573a..21804a4 100644
--- a/test/command_ut.c
+++ b/test/command_ut.c
@@ -193,6 +193,16 @@ static int do_ut_cmd(cmd_tbl_t *cmdtp, int flag, int argc, 
char * const argv[])
 
        assert(run_command("'", 0) == 1);
 
+       assert(run_command("setenv ut_var '\"'; setenv ut_var2 \"${ut_var}\"", 
0) == 0);
+       assert(!strcmp(getenv("ut_var2"), "\""));
+
+       assert(run_command("setenv ut_catcat setenv ut_catout\\;setenv ut_catX 
setenv ut_catout \\\\\\\\\\\\\\\"\\$\\$ut_catin\\\\\\\\\\\\\\\" \\; run 
ut_catX", 0) == 0);
+       assert(run_command("setenv ut_pointer '1 2 3 4 5 6 7 8 9 10 11 12 13 14 
15 16 17 18 19 20'", 0) == 0);
+       assert(run_command("setenv ut_catin ut_pointer", 0) == 0);
+       assert(run_command("run ut_catcat", 0) == 0);
+       assert(getenv("ut_catout"));
+       assert(!strcmp(getenv("ut_catout"), "1 2 3 4 5 6 7 8 9 10 11 12 13 14 
15 16 17 18 19 20"));
+
        printf("%s: Everything went swimmingly\n", __func__);
        return 0;
 }
-- 
2.1.1

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